Why do trees lose their leaves in winter? How do insects hide on bare branches? Let the trees themselves reveal their many secrets to you. The Secret Lives of Trees is part of the DK Readers series, a multi-level learning-to-read program that combines DK's highly visual style with appealing stories at four graduated levels. Stunning photographs and engaging, age-appropriate stories are guaranteed to capture a child's interest while developing reading skills and general knowledge. Paperback, 6x9". 32 pages. Level 2. Ages 6-8.